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A077533 Multiples of 3 using only prime digits (2, 3, 5 and 7). 4
3, 27, 33, 57, 72, 75, 222, 225, 237, 252, 255, 273, 327, 333, 357, 372, 375, 522, 525, 537, 552, 555, 573, 723, 732, 735, 753, 777, 2223, 2232, 2235, 2253, 2277, 2322, 2325, 2337, 2352, 2355, 2373, 2523, 2532, 2535, 2553, 2577, 2727, 2733, 2757, 2772, 2775 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

David A. Corneth, Table of n, a(n) for n = 1..10000

Index entries for 10-automatic sequences.

MATHEMATICA

ok3Q[n_]:=And@@(MemberQ[{2, 3, 5, 7}, #]&/@IntegerDigits[n]); Select[3Range[0, 1000], ok3Q]  (* Harvey P. Dale, Mar 22 2011 *)

PROG

(Python)

def pd(n): return set(str(n)) <= set("2357") # has only prime digits

def aupto(limit): return [m for m in range(0, limit+1, 3) if pd(m)]

print(aupto(3000)) # Michael S. Branicky, Mar 27 2021

CROSSREFS

Cf. A008585 (multiples of 3), A046034 (prime digits).

Sequence in context: A136895 A319391 A034594 * A175545 A032418 A108163

Adjacent sequences:  A077530 A077531 A077532 * A077534 A077535 A077536

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Nov 08 2002

EXTENSIONS

More terms from Sascha Kurz, Jan 03 2003

STATUS

approved

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Last modified September 27 04:10 EDT 2021. Contains 347673 sequences. (Running on oeis4.)